Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 19, 2005. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 837 | S10 | E05 | 08 | 0060 | Beta | Dec 21, 2005 | Dec 27, 2005 | Jan 10, 2006 |
| № 835 | N20 | W44 | 03 | 0100 | Beta | Dec 17, 2005 | Dec 24, 2005 | Jan 7, 2006 |
| № 834 | S06 | W49 | 04 | 0110 | Beta | Dec 17, 2005 | Dec 23, 2005 | Jan 6, 2006 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to December 2005. The gray background is the average SSN index.
